1951884_re.c

北大大牛代码 1240道题的原代码 超级权威

# include <stdio.h>
# include <string.h>

int main()
{
	int i, n, r;
	int p, c;
	char str[52], str2[52], tmp1[52], tmp2[52];

	str[0] = 'Z';
	for(i = 1; i < 51; i++)
		str[i] = str[i-1]-1;
	str[i] = '\0';
	while(scanf("%d%d",&n,&r)==2&&n&&r)
	{
	    strcpy(str2,&str[51-n]);
		for(i = 0; i < r; i++)
		{
			scanf("%d%d",&p,&c);
			if(p == 1)
				continue;
			memcpy(tmp1,str2,p-1);
			memcpy(tmp2,&str2[p-1],c);
			strcat(tmp2,tmp1);
			strcat(tmp2,&str2[p+c-1]);
			strcpy(str2,tmp2);
		}
		printf("%d\n",str2[0]-'('+1);
	}
	return 1;
}